Process for producing optical effect layers

PH12021551704B1Active Publication Date: 2026-09-30SICPA HOLDING SA

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Patent Information

Application Number: PH12021551704
Authority / Receiving Office: PH · PH
Patent Type: Patents
Current Assignee / Owner
Filing Date: 2021-07-15
Publication Date: 2026-09-30
Estimated Expiration: 2041-07-15

Application Information

Patent Timeline

15 Jul 2021

Application

PH12021551704

30 Sep 2026

Publication

PH12021551704B1

Inventors: LOGINOV, Evgeny; SCHMID, Mathieu

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Abstract

The present invention relates to the field of protecting value documents and value commercial goods against counterfeit and illegal reproduction. In particular, the present invention provides processes for producing optical effect layers (OELs) comprising nonspherical magnetic or magnetizable particles and comprising a motif made of at least two areas made of a single applied and cured layer, said motif being obtained by using a selective curing performed by irradiation with an actinic radiation LED source (x41) comprising an array of individually addressable actinic radiation emitters.

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